public void InsertOrderby(int index, string column, bool asc)
{
if (!AllowedOrderbyColumns.Contains(column))
{
AllowedOrderbyColumns.Add(column);
}
AppendOrderby(index, column, asc);
}
/// <summary>
/// add sort column and set the column to sortable
/// </summary>
/// <param name="column">column name</param>
/// <param name="asc">asc</param>
public void AddOrderby(string column, bool asc)
{
if (!AllowedOrderbyColumns.Contains(column))
{
AllowedOrderbyColumns.Add(column);
}
AppendOrderby(column, asc);
}